Clustered Mountainmint
ExplorePlants
Clustered Mountainmint
pycnanthemum muticum
Clustered Mountainmint, also known as blunt mountainmint, is a robust, clump-forming perennial herb native to the eastern half of North America. Renowned for its exceptional pollinator-attracting capabilities, this plant is considered a powerhouse in any native habitat garden or conservation plot. When its dense foliage is bruised or crushed, it releases a potent, pleasant, spearmint-like aroma that serves as a highly effective natural deterrent against various mammalian browsers. Highly adaptable and easy to grow, it thrives in a variety of soil types and is frequently utilized for erosion control and native meadow restoration.
Habitat: Found in open woodlands, moist meadows, fields, pastures, and wet pine barrens across eastern North America.
Appearance
This upright perennial typically grows between 60 to 90 centimeters tall, featuring square stems characteristic of the mint family. The small, tubular flowers are white to pale lavender, often dotted with purple spots, and are tightly packed into dense, flat-topped clusters. What makes the plant highly distinct are the prominent, silvery-white leaf-like bracts located directly beneath the flower clusters, giving the top of the plant an eye-catching 'frosted' or powdery appearance. The lance-shaped, aromatic leaves are arranged oppositely along the stem and have finely toothed margins.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderLamialesFamilyLamiaceaeGenusPycnanthemum
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Despite its common name, Clustered Mountainmint does not require a mountainous habitat and is highly successful in low-lying coastal plains.
The bright, silvery-white bracts beneath the flower clusters function like physical landing lights, reflecting ultraviolet light to guide pollinators directly to the small blossoms.
The chemical compound pulegone found in its leaves is a natural insect repellent often used to deter mosquitoes, fleas, and ticks.
Special abilities
Ability
Chemical Herbivore Defense
Produces high concentrations of pulegone and other essential oils in its foliage, rendering it unpalatable to deer and rabbits.
Ability
Pollinator Hyper-Attraction
Secretes massive quantities of nectar, making it one of the single most attractive native plants for a wide array of beneficial insects.
Ability
Rhizomatous Soil Stabilization
Spreads via vigorous underground rhizomes to form dense colonies, which effectively control soil erosion.
Measurements & details
- Length
- 60-90 cm
- Lifespan
- 3-10 years
Diet & Feeding
As a photosynthetic plant, it manufactures its own energy from sunlight, water, carbon dioxide, and essential soil minerals.
Primary Foods
- Sunlight
- Carbon dioxide
- Water
- Soil nutrients
Ecological connections
mutualism
American Bumblebee
Bombus pensylvanicus
Provides a crucial summer nectar source for this declining native pollinator.
mutualism
Monarch Butterfly
Danaus plexippus
Adult butterflies feed heavily on the easily accessible flower nectar to fuel flight and migration.
eaten by
Melon Aphid
Aphis gossypii
Occasionally targeted by sap-sucking insects that feed on plant juices.
Traits
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Also known as
No aliases listed yet.
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Clustered Mountainmint?
The easiest way to identify Clustered Mountainmint is to use the Snappit nature identifier app.
How long is Clustered Mountainmint?
60-90 cm
How long does Clustered Mountainmint live?
3-10 years
What does Clustered Mountainmint eat?
As a photosynthetic plant, it manufactures its own energy from sunlight, water, carbon dioxide, and essential soil minerals.
Where is Clustered Mountainmint usually found?
Found in open woodlands, moist meadows, fields, pastures, and wet pine barrens across eastern North America.
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